CY7C271-55WMB Cypress Semiconductor Corp, CY7C271-55WMB Datasheet - Page 3

• Manufacturer Part Number: CY7C271-55WMB
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C271-55WMB

• Density: 256Kb
• Organization: 32Kx8
• Interface Type: Parallel
• In System Programmable: In System/External
• Access Time (max): 55ns
• Package Type: Windowed CDIP
• Reprogramming Technique: UV
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 130mA
• Pin Count: 28
• Mounting: Through Hole
• Operating Temp Range: -55C to 125C
• Operating Temperature Classification: Military
• Lead Free Status / RoHS Status: Not Compliant

Document #: 38-04008 Rev. *C
Electrical Characteristics
Capacitance
AC Test Loads and Waveforms
OUTPUT
Note
V
V
C
C
6. See Introduction to CMOS PROMs for general information on testing.
Parameter
IHP
ILP
IN
OUT
Equivalent to:
INCLUDING
5V
JIG AND
Parameter
OUTPUT
SCOPE
30 pF
(a) Normal Load
Input HIGH Programming
Voltage
Input LOW Programming
Voltage
[6]
R1 500Ω
658Ω MIL
THÉ VENIN EQUIVALENT
Description
200Ω
R2 333Ω
(403Ω MIL)
Input Capacitance
Output Capacitance
Over the Operating Range
OUTPUT
Description
2.00V COMMERCIAL
INCLUDING
5V
[6]
JIG AND
SCOPE
(b) High Z Load
5 pF
R1 500Ω
658Ω MIL
T
V
A
R2 333Ω
(403Ω MIL)
CC
[3]
= 25°C, f = 1 MHz,
Test Conditions
OUTPUT
= 5.0V
Test Conditions
GND
3.0V
250Ω
≤
5 ns
1.90V MILITARY
ALL INPUT PULSES
10%
90%
7C271- 35, 45, 55
7C274-30, 35, 45,
Max.
Min.
3.0
10
10
Max.
CY7C271
CY7C274
0.4
90%
Page 3 of 13
10%
Unit
pF
pF
≤
5 ns
Unit
V
V
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